🏷️ Basic Information Identification Make: BMW Model: 3 Series Chassis Code: E46 Specific Model Variant: 328i Production Years Covered By Manual: 1999-2005 Codes Engine Code Common: M52TU B28 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe/Convertible. Target Audience: Enthusiasts and owners seeking to perform maintenance and repairs themselves or understand their vehicle's systems. Competitive Analysis Competitors: Audi A4, Mercedes-Benz C-Class, Lexus IS300, Acura TL. Key Features Vehicle Selling Points: Sporty handling, refined interior, powerful inline-6 engine, rear-wheel drive dynamics. Manual Value Purpose: Empower owners and independent mechanics with factory-level repair and maintenance knowledge for the E46 328i. 📋 Manual Details Coverage Areas General Coverage: Complete official factory service repair manual Page Count Estimated Pages: Hundreds (printable in entirety or sections) Manual Type Type: Workshop Service Repair Manual Language Primary Language: English Format Digital Format: Likely PDF or similar digital format for printing 📖 Manual Coverage Systems Covered Engine: Detailed diagnostics, repair, overhaul, and specifications for M52TU B28 engine Engine Management: Diagnosis and repair of DME (Digital Motor Electronics), sensors, actuators, and emissions control systems Fuel System: Fuel pump, injectors, fuel pressure regulator, lines, tank, and evaporative emissions (EVAP) system Cooling System: Radiator, water pump, thermostat, hoses, coolant specifications, and fan clutch/electric fan Exhaust System: Manifolds, catalytic converters, mufflers, oxygen sensors, and component replacement Transmission Manual: Clutch, gearbox, shift linkage, and related components for manual transmissions (e.g., Getrag 250G) Transmission Automatic: Diagnosis, repair, and fluid service for automatic transmissions (e.g., GM A5S325Z) Drivetrain: Driveshaft, CV joints, differential, axle shafts, and wheel bearings Suspension: Front and rear suspension components, struts, shock absorbers, control arms, bushings, springs, and alignment specifications Steering: Power steering system, pump, rack and pinion, tie rods, and steering column Brakes: Front and rear disc brakes, ABS (Anti-lock Braking System), DSC (Dynamic Stability Control), brake fluid, calipers, rotors, pads, and bleeding procedures Electrical System: Battery, alternator, starter, lighting, ignition system, and power distribution Body And Chassis: Body panels, doors, hood, trunk, interior trim, and basic chassis structure HVAC: Heating, Ventilation, and Air Conditioning system, blower motor, evaporator, condenser, refrigerant, and climate control modules Interior: Seats, airbags, seatbelts, dashboard, and interior trim removal/installation Exterior: Bumpers, fenders, grille, mirrors, and glass replacement Diagnostic Tools: Information on using OBD-II scanners and BMW-specific diagnostic tools (e.g., ISTA/D) Procedures Included Basic Maintenance: Oil changes, filter replacements, spark plug service, fluid level checks Troubleshooting: Diagnostic flowcharts and symptom-based troubleshooting guides Repair Procedures: Step-by-step instructions for component removal, repair, and reinstallation Rebuilds: Engine and transmission rebuild procedures with torque specifications and clearances Installation: Installation guides for common aftermarket or replacement parts Wheel Alignment: Front and rear wheel alignment specifications and adjustment procedures Brake Bleeding: Procedure for bleeding the brake system, including ABS unit bleeding if applicable Timing Belt Chain: Information on engine timing chain tensioners and guides, not typically belt-driven for this engine Electrical Diagnostics: Wiring diagrams, component testing, and troubleshooting for electrical faults Technical Depth Depth: Comprehensive, covering everything from basic fluid changes to complete engine and transmission overhauls and advanced electrical diagnostics. 📊 Manual Specifications File Format Digital File Type: Likely PDF, optimized for printing. Print Quality Printability: Designed for high-quality printing of individual pages or the entire manual. Binding Type Physical Manual Binding: If printed: Spiral-bound or perfect-bound for ease of use in a workshop. Paper Type Physical Manual Paper: If printed: Durable, high-quality paper suitable for workshop environments. ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline 6-Cylinder Engine Code: M52TU B28 (Dual VANOS) Displacement: 2.8 Liters (2793 cc) Performance Horsepower: 193 hp @ 5500 RPM (approx.) Torque: 206 lb-ft @ 3500 RPM (approx.) Bore X Stroke: 84.0 mm x 83.6 mm Compression Ratio: 10.2:1 Fuel System Injection: Sequential Multi-Point Fuel Injection (MPI) Fuel Type: Premium Unleaded (91 Octane or higher recommended) Engine Management ECU Type: Siemens MS43 (common for this engine variant) 🔧 Transmission Standard Transmission Type: 5-Speed Manual (e.g., Getrag 250G) Optional Transmission Type: 5-Speed Automatic (e.g., GM 5L40-E / A5S325Z) Features Manual Clutch: Hydraulically actuated single dry plate clutch Automatic Features: Steptronic manual shifting mode available on some models Fluid Specifications Manual Transmission Fluid: BMW MTF LT-2 or equivalent (e.g., Castrol BOT 328) Automatic Transmission Fluid: BMW ATF LT-3 or equivalent (e.g., Pentosin ATF1) 📐 Dimensions Exterior Wheelbase: 107.4 inches (2728 mm) Length: 177.4 inches (4506 mm) for Sedan Width: 69.1 inches (1755 mm) Height: 55.7 inches (1415 mm) for Sedan Weights Curb Weight: Approx. 3300 - 3500 lbs (depending on body style and transmission) Gvw: Not explicitly listed, but Gross Vehicle Weight Rating is important for load capacity. Cargo Trunk Volume: Approx. 14.2 cubic feet (Sedan) 🛡️ Safety Features Ratings NHTSA Front Impact: Generally good ratings for its era, often 4-star or 5-star IIHS Frontal Offset: Often rated 'Good' for its time. Active Features ABS: Standard Anti-lock Braking System Dsc: Standard Dynamic Stability Control (DSC) Traction Control: Integrated...